public static EFI_LOAD_OPTION ConvertOption(byte[] data, int lenght)
{
EFI_LOAD_OPTION LoadOption = new EFI_LOAD_OPTION();
using (BinaryReader reader = new BinaryReader(new MemoryStream(data, 0, lenght))) {
while (reader.BaseStream.Position != reader.BaseStream.Length)
{
LoadOption.Attributes = reader.ReadUInt32();
LoadOption.FilePathListLength = reader.ReadUInt16();
StringBuilder builder = new StringBuilder();
while (true)
{
ushort chr = reader.ReadUInt16();
if (chr == 0)
{
break;
}
builder.Append(Convert.ToChar(chr));
}
LoadOption.Description = builder.ToString();
LoadOption.FilePathList = EFI_DEVICE_PATH_PROTOCOL.ReadList(reader);
// Manually seek to optional data position because EFI_DEVICE_PATH_PROTOCOL sequence not always property aligned
reader.BaseStream.Seek(sizeof(UInt32) + sizeof(UInt16) + (LoadOption.Description.Length + 1) * sizeof(UInt16) + LoadOption.FilePathListLength, SeekOrigin.Begin);
LoadOption.OptionalData = reader.ReadBytes((int)(lenght - reader.BaseStream.Position));
}
}
return(LoadOption);
}
